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Related Experiment Videos

Mapping T cell epitopes by flow cytometry.

Bodo Hoffmeister1, Felix Kiecker, Lydia Tesfa

  • 1Department of Medical Immunology, Charité, Humboldt Universität zu Berlin, Schumannstrasse 21, 10117 Berlin, Germany.

Methods (San Diego, Calif.)
|May 3, 2003
PubMed
Summary
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An Overview of Peptides and Peptide Pools for Antigen-Specific Stimulation in T-Cell Assays.

Methods in molecular biology (Clifton, N.J.)·2024

Flow cytometry enables detailed T-cell epitope mapping and subset analysis. This modern approach analyzes T-cell responses using intracellular cytokine detection or proliferation assays, offering comprehensive insights.

Area of Science:

  • Immunology
  • Cellular Biology

Background:

  • Flow cytometry is a modern technique for analyzing T-cell epitopes.
  • Current methods often rely on intracellular cytokine detection in activated T cells.
  • T-cell proliferation assays offer an alternative analysis method.

Purpose of the Study:

  • To detail epitope mapping by flow cytometry.
  • To explain analysis of T-cell subsets, including lineage and activation markers.
  • To provide protocols for established and novel assays.

Main Methods:

  • Intracellular cytokine staining in secretion-inhibited activated T cells post-peptide stimulation.
  • T-cell proliferation analysis via decreased carboxyfluorescein diacetate succinimidyl ester staining.
  • Peptide pool design and application strategies.

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Main Results:

  • Flow cytometry allows simultaneous epitope identification and T-cell subset characterization.
  • Both intracellular cytokine detection and proliferation assays are effective for T-cell response analysis.
  • Optimized peptide configuration and pool design enhance assay efficiency.

Conclusions:

  • Flow cytometry is a versatile tool for comprehensive T-cell epitope and response analysis.
  • The described methods provide detailed insights into T-cell immunity.
  • This work offers practical protocols for researchers in immunology and related fields.